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Finding the Fourth Proportional to 344,850, 517,275.12 and 108,211.20

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Solution

The fourth proportional to 344,850, 517,275.12 and 108,211.20 is: 162,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,850 : 517,275.12 = 108,211.20 : x
  2. Step 2: Convert to fraction form
    344,850/517,275.12 = 108,211.20/x
  3. Step 3: Cross multiply
    344,850x = 517,275.12 × 108,211.20
  4. Step 4: Simplify right side
    344,850x = 55,974,961,465.34
  5. Step 5: Solve for x
    x = 55,974,961,465.34/344,850
  6. Step 6: Final answer
    x = 162,316.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.